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Code Issues 151 Wiki Activity

Move light data from UBO to std430 SSBO

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Hirek
2026-10-15 13:20:59 +02:00
parent 677a96c293
commit c0f45184b8
5 changed files with 74 additions and 43 deletions
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8
gl/glsl_common.cpp
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@@ -15,6 +15,7 @@ void gl::glsl_common_setup()
"#define MAX_CASCADES " + std::to_string(MAX_CASCADES) + "U\n" +
"#define MAX_PARAMS " + std::to_string(MAX_PARAMS) + "U\n" +
"#define MAX_INSTANCES_PER_BATCH " + std::to_string(MAX_INSTANCES_PER_BATCH) + "U\n" +
"#define LIGHT_SSBO_BINDING " + std::to_string(LIGHT_SSBO_BINDING) + "\n" +
R"STRING(
const uint LIGHT_SPOT = 0U;
const uint LIGHT_POINT = 1U;
@@ -42,15 +43,18 @@ void gl::glsl_common_setup()
vec4 headlight_weights;
};
layout(std140) uniform light_ubo
// storage blocks are guaranteed only in fragment and compute shaders (GL 4.6 minimum for the other stages is 0)
#if defined(STAGE_FRAGMENT) || defined(STAGE_COMPUTE)
layout(std430, binding = LIGHT_SSBO_BINDING) readonly buffer light_ssbo
{
vec3 ambient;
vec3 fog_color;
uint lights_count;
light_s lights[MAX_LIGHTS];
light_s lights[];
};
#endif
layout (std140) uniform model_ubo
{